/**
* begin login step
*/
public function loginBegin()
{
// Initiate the Reverse Auth flow; cf. https://dev.twitter.com/docs/ios/using-reverse-auth
if (isset($_REQUEST['reverse_auth']) && $_REQUEST['reverse_auth'] == 'yes') {
$stage1 = $this->api->signedRequest($this->api->request_token_url, 'POST', ['x_auth_mode' => 'reverse_auth']);
if ($this->api->http_code != 200) {
throw new Exception("Authentication failed! {$this->providerId} returned an error. " . $this->errorMessageByStatus($this->api->http_code), 5);
}
$responseObj = ['x_reverse_auth_parameters' => $stage1, 'x_reverse_auth_target' => $this->config["keys"]["key"]];
$response = json_encode($responseObj);
header("Content-Type: application/json", true, 200);
echo $response;
die;
}
$tokens = $this->api->requestToken($this->endpoint);
// request tokens as received from provider
$this->request_tokens_raw = $tokens;
// check the last HTTP status code returned
if ($this->api->http_code != 200) {
throw new Exception("Authentication failed! {$this->providerId} returned an error. " . $this->errorMessageByStatus($this->api->http_code), 5);
}
if (!isset($tokens["oauth_token"])) {
throw new Exception("Authentication failed! {$this->providerId} returned an invalid oauth token.", 5);
}
$this->token("request_token", $tokens["oauth_token"]);
$this->token("request_token_secret", $tokens["oauth_token_secret"]);
// redirect the user to the provider authentication url with force_login
if (isset($this->config['force_login']) && $this->config['force_login']) {
Util::redirect($this->api->authorizeUrl($tokens, ['force_login' => true]));
}
// else, redirect the user to the provider authentication url
Util::redirect($this->api->authorizeUrl($tokens));
}
/**
* begin login step
*/
public function loginBegin()
{
$parameters = ['scope' => $this->scope, 'access_type' => 'offline'];
$optionals = ['scope', 'access_type', 'redirect_uri', 'approval_prompt', 'hd'];
foreach ($optionals as $parameter) {
if (isset($this->config[$parameter]) && !empty($this->config[$parameter])) {
$parameters[$parameter] = $this->config[$parameter];
}
if (isset($this->config['scope']) && !empty($this->config['scope'])) {
$this->scope = $this->config['scope'];
}
}
Util::redirect($this->api->authorizeUrl($parameters));
}
/**
* begin login step
*/
public function loginBegin()
{
$tokens = $this->api->requestToken($this->endpoint);
// request tokens as received from provider
$this->request_tokens_raw = $tokens;
// check the last HTTP status code returned
if ($this->api->http_code != 200) {
throw new Exception("Authentication failed! {$this->providerId} returned an error. " . $this->errorMessageByStatus($this->api->http_code), 5);
}
if (!isset($tokens['oauth_token'])) {
throw new Exception("Authentication failed! {$this->providerId} returned an invalid oauth token.", 5);
}
$this->token('request_token', $tokens['oauth_token']);
$this->token('request_token_secret', $tokens['oauth_token_secret']);
// redirect the user to the provider authentication url
Util::redirect($this->api->authorizeUrl($tokens));
}
/**
* begin login step
*
* simply call Facebook::require_login().
*/
public function loginBegin()
{
$parameters = ["scope" => $this->scope, "redirect_uri" => $this->endpoint, "display" => "page"];
$optionals = ["scope", "redirect_uri", "display", "auth_type"];
foreach ($optionals as $parameter) {
if (isset($this->config[$parameter]) && !empty($this->config[$parameter])) {
$parameters[$parameter] = $this->config[$parameter];
//If the auth_type parameter is used, we need to generate a nonce and include it as a parameter
if ($parameter == "auth_type") {
$nonce = md5(uniqid(mt_rand(), true));
$parameters['auth_nonce'] = $nonce;
$this->storage->set('fb_auth_nonce', $nonce);
}
}
}
// get the login url
$url = $this->api->getLoginUrl($parameters);
// redirect to facebook
Util::redirect($url);
}
public function authenticate(array $parameters = [])
{
if ($this->isAuthorized()) {
return $this;
}
foreach (array_keys($this->authConfig['providers']) as $idpid) {
$this->storage->delete("{$idpid}.hauth_return_to");
$this->storage->delete("{$idpid}.hauth_endpoint");
$this->storage->delete("{$idpid}.id_provider_params");
}
$this->storage->deleteMatch("{$this->providerId}.");
$baseUrl = $this->authConfig['base_url'];
$defaults = array('hauth_return_to' => Util::getCurrentUrl(), 'hauth_endpoint' => $baseUrl . (strpos($baseUrl, '?') ? '&' : '?') . "hauth.done={$this->providerId}", 'hauth_start_url' => $baseUrl . (strpos($baseUrl, '?') ? '&' : '?') . "hauth.start={$this->providerId}&hauth.time=" . time());
$parameters = array_merge($defaults, (array) $parameters);
$this->storage->set($this->providerId . '.hauth_return_to', $parameters['hauth_return_to']);
$this->storage->set($this->providerId . '.hauth_endpoint', $parameters['hauth_endpoint']);
$this->storage->set($this->providerId . '.id_provider_params', $parameters);
// redirect user to start url
Util::redirect($parameters['hauth_start_url']);
}
/**
* Redirect the user to hauth_return_to (the callback url)
*/
private function returnToCallbackUrl($providerId)
{
$callbackUrl = $this->storage->get("{$providerId}.hauth_return_to");
$this->storage->delete("{$providerId}.hauth_return_to");
$this->storage->delete("{$providerId}.hauth_endpoint");
$this->storage->delete("{$providerId}.id_provider_params");
Util::redirect($callbackUrl);
}
/**
* begin login step
*/
public function loginBegin()
{
// redirect the user to the provider authentication url
Util::redirect($this->api->authorizeUrl(['scope' => $this->scope]));
}